package zhr.chapter7;

public class Example7_5 {
    public static void main(String[] args) {
        StringBuilder sBuilder = new StringBuilder("I study");
        sBuilder.append(" Java!");
        sBuilder.insert(2, "and Mike ");
        System.out.println(sBuilder.length());
        System.out.println(sBuilder.capacity());
        sBuilder.delete(2, 11);
        System.out.println(sBuilder);
        sBuilder.trimToSize();
        System.out.println(sBuilder.length());
        System.out.println(sBuilder.capacity());
        sBuilder.reverse();
        System.out.println(sBuilder.length());
        System.out.println(sBuilder.capacity());
    }
}
